RadGrid paging next js error

[newbie]

    I'm getting a RadGrid paging js issue when I click on "Next".  It pages for the 1st click but sequently it freezes.  Thanks for the help.  This is the js error:

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; MS-RTC LM 8; .NET4.0C; .NET4.0E)
Timestamp: Wed, 4 Aug 2010 02:18:42 UTC

Message: Invalid argument.
Line: 6
Char: 36759
Code: 0
URI: http://localhost/testapp/Telerik.Web.UI.WebResource.axd?_TSM_HiddenField_=testappMaster_RadScriptManager1_TSM&compress=1&_TSM_CombinedScripts_=%3b%3bSystem.Web.Extensions%2c+Version%3d3.5.0.0%2c+Culture%3dneutral%2c+PublicKeyToken%3d31bf3856ad364e35%3aen-US%3a0d787d5c-3903-4814-ad72-296cea810318%3aea597d4b%3ab25378d2%3bTelerik.Web.UI%2c+Version%3d2010.2.713.35%2c+Culture%3dneutral%2c+PublicKeyToken%3d121fae78165ba3d4%3aen-US%3a7302be66-e7a1-4bc1-8280-71f03d66eba0%3a16e4e7cd%3af7645509%3a24ee1bba%3a1e771326%3aaa288e2d%3a4cacbc31%3a58366029%3ae330518b%3ac8618e41%3ae4f8f289%3ab7778d6c

[Pavel]

Hi,

Could you provide more details about your scenario and the exact version of the controls you are using? This will help us investigate the cause for the problem.

Greetings,
Pavel
the Telerik team